<?php
namespace Com;

class Easemob{
    private $client_id='YXA6lhz1oCPmEee-YsVuu89OVA';
    private $client_secret='YXA6Jssr4_2DxU7yWC1Qp_-HeJQuOIc';
    private $org_name='1127170418178238';
    private $app_name='xiaoyuan';
    private $url='';
    
    /**
     *  初始化参数
    * @param array $options
    * @param $options['client_id']
    * @param $options['client_secret']
    * @param $options['org_name']
    * @param $options['app_name']
   */
    /*
    public function __construct($options) {
       
        $this->client_id = isset ( $options ['client_id'] ) ? $options ['client_id'] : '';
        $this->client_secret = isset ( $options ['client_secret'] ) ? $options ['client_secret'] : '';
        $this->org_name = isset ( $options ['org_name'] ) ? $options ['org_name'] : '';
        $this->app_name = isset ( $options ['app_name'] ) ? $options ['app_name'] : '';
       
        if (! empty ( $this->org_name ) && ! empty ( $this->app_name )) {
            $this->url = 'https://a1.easemob.com/' . $this->org_name . '/' . $this->app_name . '/';
        }
    }
     */
    public function __construct() {
        if (! empty ( $this->org_name ) && ! empty ( $this->app_name )) {
            $this->url = 'https://a1.easemob.com/' . $this->org_name . '/' . $this->app_name . '/';
        }
    }
    
    /**
     *获取token
     */
    function getToken()
    {
        $options=array(
            "grant_type"=>"client_credentials",
            "client_id"=>$this->client_id,
            "client_secret"=>$this->client_secret
        );
        //json_encode()函数，可将PHP数组或对象转成json字符串，使用json_decode()函数，可以将json字符串转换为PHP数组或对象
        $body=json_encode($options);
        //使用 $GLOBALS 替代 global
        $url=$this->url.'token';
        //$url=$base_url.'token';
        $tokenResult = $this->postCurl($url,$body,$header=array());
        //var_dump($tokenResult['expires_in']);
        //return $tokenResult;
        return "Authorization:Bearer ".$tokenResult['access_token'];
    
    }
    /**
     授权注册
     */
    function createUser($username,$password){
        $url=$this->url.'users';
        $options=array(
            "username"=>$username,
            "password"=>$password
        );
        $body=json_encode($options);
        $header=array($this->getToken());
        $result=$this->postCurl($url,$body,$header);
        return $result;
    }
    /*
     批量注册用户
     */
    function createUsers($options){
        $url=$this->url.'users';
    
        $body=json_encode($options);
        $header=array($this->getToken());
        $result=$this->postCurl($url,$body,$header);
        return $result;
    }
    /*
     重置用户密码
     */
    function resetPassword($username,$newpassword){
        $url=$this->url.'users/'.$username.'/password';
        $options=array(
            "newpassword"=>$newpassword
        );
        $body=json_encode($options);
        $header=array($this->getToken());
        $result=$this->postCurl($url,$body,$header,"PUT");
        return $result;
    }
    
    /*
     获取单个用户
     */
    function getUser($username){
        $url=$this->url.'users/'.$username;
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,"GET");
        return $result;
    }
    /*
     获取批量用户----不分页
     */
    function getUsers($limit=0){
        if(!empty($limit)){
            $url=$this->url.'users?limit='.$limit;
        }else{
            $url=$this->url.'users';
        }
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,"GET");
        return $result;
    }
    /*
     获取批量用户---分页
     */
    function getUsersForPage($limit=0,$cursor=''){
        $url=$this->url.'users?limit='.$limit.'&cursor='.$cursor;
    
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,"GET");
        if(!empty($result["cursor"])){
            $cursor=$result["cursor"];
            $this->writeCursor("userfile.txt",$cursor);
        }
        //var_dump($GLOBALS['cursor'].'00000000000000');
        return $result;
    }
    
    //创建文件夹
    function mkdirs($dir, $mode = 0777)
    {
        if (is_dir($dir) || @mkdir($dir, $mode)) return TRUE;
        if (!mkdirs(dirname($dir), $mode)) return FALSE;
        return @mkdir($dir, $mode);
    }
    //写入cursor
    function writeCursor($filename,$content){
        //判断文件夹是否存在，不存在的话创建
        if(!file_exists("resource/txtfile")){
            mkdirs("resource/txtfile");
        }
        $myfile=@fopen("resource/txtfile/".$filename,"w+") or die("Unable to open file!");
        @fwrite($myfile,$content);
        fclose($myfile);
    }
    //读取cursor
    function readCursor($filename){
        //判断文件夹是否存在，不存在的话创建
        if(!file_exists("resource/txtfile")){
            mkdirs("resource/txtfile");
        }
        $file="resource/txtfile/".$filename;
        $fp=fopen($file,"a+");//这里这设置成a+
        if($fp){
            while(!feof($fp)){
                //第二个参数为读取的长度
                $data=fread($fp,1000);
            }
            fclose($fp);
        }
        return $data;
    }
    /*
     删除单个用户
     */
    function deleteUser($username){
        $url=$this->url.'users/'.$username;
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'DELETE');
        return $result;
    }
    /*
     删除批量用户
     limit:建议在100-500之间，、
     注：具体删除哪些并没有指定, 可以在返回值中查看。
     */
    function deleteUsers($limit){
        $url=$this->url.'users?limit='.$limit;
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'DELETE');
        return $result;
    
    }
    /*
     修改用户昵称
     */
    function editNickname($username,$nickname){
        $url=$this->url.'users/'.$username;
        $options=array(
            "nickname"=>$nickname
        );
        $body=json_encode($options);
        $header=array($this->getToken());
        $result=$this->postCurl($url,$body,$header,'PUT');
        return $result;
    }
    /*
     添加好友-
     */
    function addFriend($username,$friend_name){
        $url=$this->url.'users/'.$username.'/contacts/users/'.$friend_name;
        $header=array($this->getToken(),'Content-Type:application/json');
        $result=$this->postCurl($url,'',$header,'POST');
        return $result;
    
        	
    }
    
    
    /*
     删除好友
     */
    function deleteFriend($username,$friend_name){
        $url=$this->url.'users/'.$username.'/contacts/users/'.$friend_name;
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'DELETE');
        return $result;
    
    }
    /*
     查看好友
     */
    function showFriends($username){
        $url=$this->url.'users/'.$username.'/contacts/users';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        return $result;
    
    }
    /*
     查看用户黑名单
     */
    function getBlacklist($username){
        $url=$this->url.'users/'.$username.'/blocks/users';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        return $result;
    
    }
    /*
     往黑名单中加人
     */
    function addUserForBlacklist($username,$usernames){
        $url=$this->url.'users/'.$username.'/blocks/users';
        $body=json_encode($usernames);
        $header=array($this->getToken());
        $result=$this->postCurl($url,$body,$header,'POST');
        return $result;
    
    }
    /*
     从黑名单中减人
     */
    function deleteUserFromBlacklist($username,$blocked_name){
        $url=$this->url.'users/'.$username.'/blocks/users/'.$blocked_name;
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'DELETE');
        return $result;
    
    }
    /*
     查看用户是否在线
     */
    function isOnline($username){
        $url=$this->url.'users/'.$username.'/status';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        return $result;
    
    }
    /*
     查看用户离线消息数
     */
    function getOfflineMessages($username){
        $url=$this->url.'users/'.$username.'/offline_msg_count';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        return $result;
        	
    }
    /*
     查看某条消息的离线状态
     ----deliverd 表示此用户的该条离线消息已经收到
     */
    function getOfflineMessageStatus($username,$msg_id){
        $url=$this->url.'users/'.$username.'/offline_msg_status/'.$msg_id;
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        return $result;
    
    }
    /*
     禁用用户账号
     */
    function deactiveUser($username){
        $url=$this->url.'users/'.$username.'/deactivate';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header);
        return $result;
    }
    /*
     解禁用户账号
     */
    function activeUser($username){
        $url=$this->url.'users/'.$username.'/activate';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header);
        return $result;
    }
    
    /*
     强制用户下线
     */
    function disconnectUser($username){
        $url=$this->url.'users/'.$username.'/disconnect';
        $header=array($this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        return $result;
    }
    //--------------------------------------------------------上传下载
    /*
     上传图片或文件
     */
    function uploadFile($filePath){
        $url=$this->url.'chatfiles';
        $file=file_get_contents($filePath);
        $body['file']=$file;
        $header=array('enctype:multipart/form-data',$this->getToken(),"restrict-access:true");
        $result=$this->postCurl($url,$body,$header,'XXX');
        return $result;
        	
    }
    /*
     下载文件或图片
     */
    function downloadFile($uuid,$shareSecret){
        $url=$this->url.'chatfiles/'.$uuid;
        $header = array("share-secret:".$shareSecret,"Accept:application/octet-stream",$this->getToken());
        $result=$this->postCurl($url,'',$header,'GET');
        $filename = md5(time().mt_rand(10, 99)).".png"; //新图片名称
        if(!file_exists("resource/down")){
            //mkdir("../image/down");
            mkdirs("resource/down/");
        }
    
        $file = @fopen("resource/down/".$filename,"w+");//打开文件准备写入
        @fwrite($file,$result);//写入
        fclose($file);//关闭
        return $filename;
    
    }
    /*
     下载图片缩略图
     */
    function downloadThumbnail($uuid,$shareSecret){
        $url=$this->url.'chatfiles/'.$uuid;
        $header = array("share-secret:".$shareSecret,"Accept:application/octet-stream",$this->getToken(),"thumbnail:true");
        $result=$this->postCurl($url,'',$header,'GET');
        $filename = md5(time().mt_rand(10, 99))."th.png"; //新图片名称
        if(!file_exists("resource/down")){
            //mkdir("../image/down");
            mkdirs("resource/down/");
        }
    
        $file = @fopen("resource/down/".$filename,"w+");//打开文件准备写入
        @fwrite($file,$result);//写入
        fclose($file);//关闭
        return $filename;
    }
    
    
    
    //--------------------------------------------------------发送消息
    /*
     发送文本消息
     */
    function sendText($from="admin",$target_type,$target,$content,$ext){
        $url=$this->url.'messages';
        $body['target_type']=$target_type;
        $body['target']=$target;
        $options['type']="txt";
        $options['msg']=$content;
        $body['msg']=$options;
        $body['from']=$from;
        $body['ext']=$ext;
        $b=json_encode($body);
        $header=array($this->getToken());
        $result=$this->postCurl($url,$b,$header);
        return $result;
    }
    /*
     发送透传消息
     */
    function sendCmd($from="admin",$target_type,$target,$action,$ext){
        $url=$this->url.'messages';
        $body['target_type']=$target_type;
        $body['target']=$target;
        $options['type']="cmd";
        $options['action']=$action;
        $body['msg']=$options;
        $body['from']=$from;
        $body['ext']=$ext;
        $b=json_encode($body);
        $header=array($this->getToken());
        //$b=json_encode($body,true);
        $result=$this->postCurl($url,$b,$header);
        return $result;
    }
    /*
     发图片消息
     */
    function sendImage($filePath,$from="admin",$target_type,$target,$filename,$ext){
        $result=$this->uploadFile($filePath);
        $uri=$result['uri'];
        $uuid=$result['entities'][0]['uuid'];
        $shareSecret=$result['entities'][0]['share-secret'];
        $url=$this->url.'messages';
        $body['target_type']=$target_type;
        $body['target']=$target;
        $options['type']="img";
        $options['url']=$uri.'/'.$uuid;
        $options['filename']=$filename;
        $options['secret']=$shareSecret;
        $options['size']=array(
            "width"=>480,
            "height"=>720
        );
        $body['msg']=$options;
        $body['from']=$from;
        $body['ext']=$ext;
        $b=json_encode($body);
        $header=array($this->getToken());
        //$b=json_encode($body,true);
        $result=$this->postCurl($url,$b,$header);
        return $result;
    }
    /*
     发语音消息
     */
    function sendAudio($filePath,$from="admin",$target_type,$target,$filename,$length,$ext){
        $result=$this->uploadFile($filePath);
        $uri=$result['uri'];
        $uuid=$result['entities'][0]['uuid'];
        $shareSecret=$result['entities'][0]['share-secret'];
        $url=$this->url.'messages';
        $body['target_type']=$target_type;
        $body['target']=$target;
        $options['type']="audio";
        $options['url']=$uri.'/'.$uuid;
        $options['filename']=$filename;
        $options['length']=$length;
        $options['secret']=$shareSecret;
        $body['msg']=$options;
        $body['from']=$from;
        $body['ext']=$ext;
        $b=json_encode($body);
        $header=array($this->getToken());
        //$b=json_encode($body,true);
        $result=$this->postCurl($url,$b,$header);
        return $result;}
        /*
         发视频消息
         */
        function sendVedio($filePath,$from="admin",$target_type,$target,$filename,$length,$thumb,$thumb_secret,$ext){
            $result=$this->uploadFile($filePath);
            $uri=$result['uri'];
            $uuid=$result['entities'][0]['uuid'];
            $shareSecret=$result['entities'][0]['share-secret'];
            $url=$this->url.'messages';
            $body['target_type']=$target_type;
            $body['target']=$target;
            $options['type']="video";
            $options['url']=$uri.'/'.$uuid;
            $options['filename']=$filename;
            $options['thumb']=$thumb;
            $options['length']=$length;
            $options['secret']=$shareSecret;
            $options['thumb_secret']=$thumb_secret;
            $body['msg']=$options;
            $body['from']=$from;
            $body['ext']=$ext;
            $b=json_encode($body);
            $header=array($this->getToken());
            //$b=json_encode($body,true);
            $result=$this->postCurl($url,$b,$header);
            return $result;
        }
        /*
         发文件消息
         */
        function sendFile($filePath,$from="admin",$target_type,$target,$filename,$length,$ext){
            $result=$this->uploadFile($filePath);
            $uri=$result['uri'];
            $uuid=$result['entities'][0]['uuid'];
            $shareSecret=$result['entities'][0]['share-secret'];
            $url=$GLOBALS['base_url'].'messages';
            $body['target_type']=$target_type;
            $body['target']=$target;
            $options['type']="file";
            $options['url']=$uri.'/'.$uuid;
            $options['filename']=$filename;
            $options['length']=$length;
            $options['secret']=$shareSecret;
            $body['msg']=$options;
            $body['from']=$from;
            $body['ext']=$ext;
            $b=json_encode($body);
            $header=array(getToken());
            //$b=json_encode($body,true);
            $result=postCurl($url,$b,$header);
            return $result;
        }
        //-------------------------------------------------------------群组操作
    
        /*
         获取app中的所有群组----不分页
         */
        function getGroups($limit=0){
            if(!empty($limit)){
                $url=$this->url.'chatgroups?limit='.$limit;
            }else{
                $url=$this->url.'chatgroups';
            }
    
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,"GET");
            return $result;
        }
        /*
         获取app中的所有群组---分页
         */
        function getGroupsForPage($limit=0,$cursor=''){
            $url=$this->url.'chatgroups?limit='.$limit.'&cursor='.$cursor;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,"GET");
    
            if(!empty($result["cursor"])){
                $cursor=$result["cursor"];
                $this->writeCursor("groupfile.txt",$cursor);
            }
            //var_dump($GLOBALS['cursor'].'00000000000000');
            return $result;
        }
        /*
         获取一个或多个群组的详情
         */
        function getGroupDetail($group_ids){
            $g_ids=implode(',',$group_ids);
            $url=$this->url.'chatgroups/'.$g_ids;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'GET');
            return $result;
        }
        /*
         创建一个群组
         */
        function createGroup($options){
            $url=$this->url.'chatgroups';
            $header=array($this->getToken());
            $body=json_encode($options);
            $result=$this->postCurl($url,$body,$header);
            return $result;
        }
        /*
         修改群组信息
         */
        function modifyGroupInfo($group_id,$options){
            $url=$this->url.'chatgroups/'.$group_id;
            $body=json_encode($options);
            $header=array($this->getToken());
            $result=$this->postCurl($url,$body,$header,'PUT');
            return $result;
        }
        /*
         删除群组
         */
        function deleteGroup($group_id){
            $url=$this->url.'chatgroups/'.$group_id;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        /*
         获取群组中的成员
         */
        function getGroupUsers($group_id){
            $url=$this->url.'chatgroups/'.$group_id.'/users';
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'GET');
            return $result;
        }
        /*
         群组单个加人
         */
        function addGroupMember($group_id,$username){
            $url=$this->url.'chatgroups/'.$group_id.'/users/'.$username;
            $header=array($this->getToken(),'Content-Type:application/json');
            $result=$this->postCurl($url,'',$header);
            return $result;
        }
        /*
         群组批量加人
         */
        function addGroupMembers($group_id,$usernames){
            $url=$this->url.'chatgroups/'.$group_id.'/users';
            $body=json_encode($usernames);
            $header=array($this->getToken(),'Content-Type:application/json');
            $result=$this->postCurl($url,$body,$header);
            return $result;
        }
        /*
         群组单个减人
         */
        function deleteGroupMember($group_id,$username){
            $url=$this->url.'chatgroups/'.$group_id.'/users/'.$username;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        /*
         群组批量减人
         */
        function deleteGroupMembers($group_id,$usernames){
            $url=$this->url.'chatgroups/'.$group_id.'/users/'.$usernames;
            //$body=json_encode($usernames);
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        /*
         获取一个用户参与的所有群组
         */
        function getGroupsForUser($username){
            $url=$this->url.'users/'.$username.'/joined_chatgroups';
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'GET');
            return $result;
        }
        /*
         群组转让
         */
        function changeGroupOwner($group_id,$options){
            $url=$this->url.'chatgroups/'.$group_id;
            $body=json_encode($options);
            $header=array($this->getToken());
            $result=$this->postCurl($url,$body,$header,'PUT');
            return $result;
        }
        /*
         查询一个群组黑名单用户名列表
         */
        function getGroupBlackList($group_id){
            $url=$this->url.'chatgroups/'.$group_id.'/blocks/users';
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'GET');
            return $result;
        }
        /*
         群组黑名单单个加人
         */
        function addGroupBlackMember($group_id,$username){
            $url=$this->url.'chatgroups/'.$group_id.'/blocks/users/'.$username;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header);
            return $result;
        }
        /*
         群组黑名单批量加人
         */
        function addGroupBlackMembers($group_id,$usernames){
            $url=$this->url.'chatgroups/'.$group_id.'/blocks/users';
            $body=json_encode($usernames);
            $header=array($this->getToken());
            $result=$this->postCurl($url,$body,$header);
            return $result;
        }
        /*
         群组黑名单单个减人
         */
        function deleteGroupBlackMember($group_id,$username){
            $url=$this->url.'chatgroups/'.$group_id.'/blocks/users/'.$username;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        /*
         群组黑名单批量减人
         */
        function deleteGroupBlackMembers($group_id,$usernames){
            $url=$this->url.'chatgroups/'.$group_id.'/blocks/users';
            $body=json_encode($usernames);
            $header=array($this->getToken());
            $result=$this->postCurl($url,$body,$header,'DELETE');
            return $result;
        }
        //-------------------------------------------------------------聊天室操作
        /*
         创建聊天室
         */
        function createChatRoom($options){
            $url=$this->url.'chatrooms';
            $header=array($this->getToken());
            $body=json_encode($options);
            $result=$this->postCurl($url,$body,$header);
            return $result;
        }
        /*
         修改聊天室信息
         */
        function modifyChatRoom($chatroom_id,$options){
            $url=$this->url.'chatrooms/'.$chatroom_id;
            $body=json_encode($options);
            $result=$this->postCurl($url,$body,$header,'PUT');
            return $result;
        }
        /*
         删除聊天室
         */
        function deleteChatRoom($chatroom_id){
            $url=$this->url.'chatrooms/'.$chatroom_id;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        /*
         获取app中所有的聊天室
         */
        function getChatRooms(){
            $url=$this->url.'chatrooms';
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,"GET");
            return $result;
        }
    
        /*
         获取一个聊天室的详情
         */
        function getChatRoomDetail($chatroom_id){
            $url=$this->url.'chatrooms/'.$chatroom_id;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'GET');
            return $result;
        }
        /*
         获取一个用户加入的所有聊天室
         */
        function getChatRoomJoined($username){
            $url=$this->url.'users/'.$username.'/joined_chatrooms';
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'GET');
            return $result;
        }
        /*
         聊天室单个成员添加
         */
        function addChatRoomMember($chatroom_id,$username){
            $url=$this->url.'chatrooms/'.$chatroom_id.'/users/'.$username;
            //$header=array($this->getToken());
            $header=array($this->getToken(),'Content-Type:application/json');
            $result=$this->postCurl($url,'',$header);
            return $result;
        }
        /*
         聊天室批量成员添加
         */
        function addChatRoomMembers($chatroom_id,$usernames){
            $url=$this->url.'chatrooms/'.$chatroom_id.'/users';
            $body=json_encode($usernames);
            $header=array($this->getToken());
            $result=$this->postCurl($url,$body,$header);
            return $result;
        }
        /*
         聊天室单个成员删除
         */
        function deleteChatRoomMember($chatroom_id,$username){
            $url=$this->url.'chatrooms/'.$chatroom_id.'/users/'.$username;
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        /*
         聊天室批量成员删除
         */
        function deleteChatRoomMembers($chatroom_id,$usernames){
            $url=$this->url.'chatrooms/'.$chatroom_id.'/users/'.$usernames;
            //$body=json_encode($usernames);
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,'DELETE');
            return $result;
        }
        //-------------------------------------------------------------聊天记录
    
        /*
         导出聊天记录----不分页
         */
        function getChatRecord($ql){
            if(!empty($ql)){
                $url=$this->url.'chatmessages?ql='.$ql;
            }else{
                $url=$this->url.'chatmessages';
            }
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,"GET");
            return $result;
        }
        /*
         导出聊天记录---分页
         */
        function getChatRecordForPage($ql,$limit=0,$cursor){
            if(!empty($ql)){
                $url=$this->url.'chatmessages?ql='.$ql.'&limit='.$limit.'&cursor='.$cursor;
            }
            $header=array($this->getToken());
            $result=$this->postCurl($url,'',$header,"GET");
            $cursor=$result["cursor"];
            $this->writeCursor("chatfile.txt",$cursor);
            //var_dump($GLOBALS['cursor'].'00000000000000');
            return $result;
        }
    
        /**
         *$this->postCurl方法
         */
        function postCurl($url,$body,$header,$type="POST"){
            //1.创建一个curl资源
            $ch = curl_init();
            //2.设置URL和相应的选项
            curl_setopt($ch,CURLOPT_URL,$url);//设置url
            //1)设置请求头
            //array_push($header, 'Accept:application/json');
            //array_push($header,'Content-Type:application/json');
            //array_push($header, 'http:multipart/form-data');
            //设置为false,只会获得响应的正文(true的话会连响应头一并获取到)
            curl_setopt($ch,CURLOPT_HEADER,0);
            curl_setopt ( $ch, CURLOPT_TIMEOUT,5); // 设置超时限制防止死循环
            //设置发起连接前的等待时间，如果设置为0，则无限等待。
            curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,5);
            //将curl_exec()获取的信息以文件流的形式返回，而不是直接输出。
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            //2)设备请求体
            if (count($body)>0) {
                //$b=json_encode($body,true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $body);//全部数据使用HTTP协议中的"POST"操作来发送。
            }
            //设置请求头
            if(count($header)>0){
                curl_setopt($ch,CURLOPT_HTTPHEADER,$header);
            }
            //上传文件相关设置
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
            curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);// 对认证证书来源的检查
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);// 从证书中检查SSL加密算
    
            //3)设置提交方式
            switch($type){
                case "GET":
                    curl_setopt($ch,CURLOPT_HTTPGET,true);
                    break;
                case "POST":
                    curl_setopt($ch,CURLOPT_POST,true);
                    break;
                case "PUT"://使用一个自定义的请求信息来代替"GET"或"HEAD"作为HTTP请									                     求。这对于执行"DELETE" 或者其他更隐蔽的HTT
                    curl_setopt($ch,CURLOPT_CUSTOMREQUEST,"PUT");
                    break;
                case "DELETE":
                    curl_setopt($ch,CURLOPT_CUSTOMREQUEST,"DELETE");
                    break;
            }
    
    
            //4)在HTTP请求中包含一个"User-Agent: "头的字符串。-----必设
    
            curl_setopt($ch, CURLOPT_USERAGENT, 'SSTS Browser/1.0');
            curl_setopt($ch, CURLOPT_ENCODING, 'gzip');
    
            //curl_setopt ( $ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)' ); // 模拟用户使用的浏览器
            //5)
    
    
            //3.抓取URL并把它传递给浏览器
            $res=curl_exec($ch);
    
            $result=json_decode($res,true);
            //4.关闭curl资源，并且释放系统资源
            curl_close($ch);
            
            if(empty($result))
                return $res;
            else
                return $result;
    
        }
    
}
?>